Place the celeriac on a tray lined with baking paper, brush with oil, sprinkle with half of the rosemary, season.
Approx. 15 mins. in the upper half of an oven preheated to 200°C. Remove, spread the cheese on top of the celeriac, cook for a further 10 mins. Drizzle with honey, sprinkle the remainder of the rosemary on top.